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Source file misc.ml

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(* gsl-ocaml - OCaml interface to GSL                       *)
(* Copyright (©) 2002-2012 - Olivier Andrieu                *)
(* Distributed under the terms of the GPL version 3         *)

let () = Error.init ()
let maybe_or_else o def = match o with None -> def | Some v -> v
let may vo f = match vo with None -> () | Some v -> f v
let may_apply fo v = match fo with None -> () | Some f -> f v
let is = function None -> false | Some _ -> true